-Will not melt or soften when head becomes warm. This prevents the torque on your intake nuts from relaxing

-Will not squeeze material into the runner area causing a turbulent restrictive environment which dynamically reduces the effective intake port/runner size and airflow

-Accepts higher than OEM torque ratings for those who need the extra pressure (superchargers or extreme intake manifolds)

-Seals on flanges at the molecular level

After our engineering and testing, we are confident that these are the best gaskets available at any price for the application. With so much more invested in the rest of your car, don't take chances with diminished airflow or, worse, a lean running condition or a coolant leak near your intake runners!